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text representation是什麽意思

text representation

英[tekst ?repr?zen?ten]

美[t?kst ?r?pr?z?n?te?n]

[詞典] 文本表達;

[例句]Text Representation Based on Sentence and Chinese Text Categorization

基於句子的文本表示及中文文本分類研究

Text representation is one of the fundamental problems in text mining and Information Retrieval (IR). It aims to numerically represent the unstructured text documents to make them mathematically computable. For a given set of text documents D = {di, i=1, 2,...,n}, where each distands for a document, the problem of text representation is to represent each di of D as a point siin a numerical space S, where the distance/similarity between each pair of points in space S is well defined.